Routing Table Report 04:00 +10GMT Tue 01 Dec, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 304154
Prefixes after maximum aggregation: 141944
Deaggregation factor: 2.14
Unique aggregates announced to Internet: 149995
Total ASes present in the Internet Routing Table: 32786
Prefixes per ASN: 9.28
Origin-only ASes present in the Internet Routing Table: 28458
Origin ASes announcing only one prefix: 13892
Transit ASes present in the Internet Routing Table: 4328
Transit-only ASes present in the Internet Routing Table: 107
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 39
Max AS path prepend of ASN (22394) 36
Prefixes from unregistered ASNs in the Routing Table: 707
Unregistered ASNs in the Routing Table: 158
Number of 32-bit ASNs allocated by the RIRs: 341
Prefixes from 32-bit ASNs in the Routing Table: 280
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 204
Number of addresses announced to Internet: 2136943232
Equivalent to 127 /8s, 95 /16s and 42 /24s
Percentage of available address space announced: 57.7
Percentage of allocated address space announced: 65.3
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 80.2
Total number of prefixes smaller than registry allocations: 146129
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 72762
Total APNIC prefixes after maximum aggregation: 25389
APNIC Deaggregation factor: 2.87
Prefixes being announced from the APNIC address blocks: 69479
Unique aggregates announced from the APNIC address blocks: 30916
APNIC Region origin ASes present in the Internet Routing Table: 3883
APNIC Prefixes per ASN: 17.89
APNIC Region origin ASes announcing only one prefix: 1061
APNIC Region transit ASes present in the Internet Routing Table: 600
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 482411808
Equivalent to 28 /8s, 193 /16s and 5 /24s
Percentage of available APNIC address space announced: 79.9
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 110/8, 111/8,
112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8,
119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8,
126/8, 133/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 128202
Total ARIN prefixes after maximum aggregation: 67300
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 102328
Unique aggregates announced from the ARIN address blocks: 38782
ARIN Region origin ASes present in the Internet Routing Table: 13374
ARIN Prefixes per ASN: 7.65
ARIN Region origin ASes announcing only one prefix: 5175
ARIN Region transit ASes present in the Internet Routing Table: 1328
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN addresses announced to Internet: 731668768
Equivalent to 43 /8s, 156 /16s and 97 /24s
Percentage of available ARIN address space announced: 64.1
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 24/8, 26/8, 28/8, 29/8,
30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8,
44/8, 45/8, 47/8, 48/8, 52/8, 54/8, 55/8,
56/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8,
69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8,
76/8, 96/8, 97/8, 98/8, 99/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 70379
Total RIPE prefixes after maximum aggregation: 40970
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 63577
Unique aggregates announced from the RIPE address blocks: 42261
RIPE Region origin ASes present in the Internet Routing Table: 13782
RIPE Prefixes per ASN: 4.61
RIPE Region origin ASes announcing only one prefix: 7166
RIPE Region transit ASes present in the Internet Routing Table: 2085
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 405318848
Equivalent to 24 /8s, 40 /16s and 172 /24s
Percentage of available RIPE address space announced: 75.5
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 196608-197631
RIPE Address Blocks 2/8, 25/8, 46/8, 51/8, 62/8, 77/8, 78/8,
79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8,
86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8,
93/8, 94/8, 95/8, 109/8, 178/8, 193/8, 194/8,
195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 26552
Total LACNIC prefixes after maximum aggregation: 6452
LACNIC Deaggregation factor: 4.12
Prefixes being announced from the LACNIC address blocks: 24872
Unique aggregates announced from the LACNIC address blocks: 13593
LACNIC Region origin ASes present in the Internet Routing Table: 1218
LACNIC Prefixes per ASN: 20.42
LACNIC Region origin ASes announcing only one prefix: 395
LACNIC Region transit ASes present in the Internet Routing Table: 202
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 68711680
Equivalent to 4 /8s, 24 /16s and 117 /24s
Percentage of available LACNIC address space announced: 68.3
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 5748
Total AfriNIC prefixes after maximum aggregation: 1517
AfriNIC Deaggregation factor: 3.79
Prefixes being announced from the AfriNIC address blocks: 4249
Unique aggregates announced from the AfriNIC address blocks: 1468
AfriNIC Region origin ASes present in the Internet Routing Table: 335
AfriNIC Prefixes per ASN: 12.68
AfriNIC Region origin ASes announcing only one prefix: 95
AfriNIC Region transit ASes present in the Internet Routing Table: 70
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 13055232
Equivalent to 0 /8s, 199 /16s and 53 /24s
Percentage of available AfriNIC address space announced: 38.9
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1768 7507 461 Korea Telecom (KIX)
17488 1447 143 133 Hathway IP Over Cable Interne
4755 1278 296 148 TATA Communications formerly
4134 1013 19459 395 CHINANET-BACKBONE
9583 1009 75 497 Sify Limited
18101 985 204 35 Reliance Infocom Ltd Internet
7545 914 198 99 TPG Internet Pty Ltd
17974 854 265 67 PT TELEKOMUNIKASI INDONESIA
9829 845 665 21 BSNL National Internet Backbo
24560 806 293 176 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4239 3879 311 bellsouth.net, inc.
4323 3752 1069 399 Time Warner Telecom
1785 1779 714 136 PaeTec Communications, Inc.
7018 1590 5808 1035 AT&T WorldNet Services
20115 1519 1482 667 Charter Communications
2386 1296 632 932 AT&T Data Communications Serv
3356 1228 10966 447 Level 3 Communications, LLC
6478 1184 254 326 AT&T Worldnet Services
11492 1143 222 14 Cable One
22773 1124 2600 66 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
30890 514 98 207 Evolva Telecom
9198 470 138 12 Kazakhtelecom Data Network Ad
35805 469 40 5 United Telecom of Georgia
3292 448 1906 393 TDC Tele Danmark
702 417 1837 335 UUNET - Commercial IP service
8551 377 354 41 Bezeq International
8866 372 110 23 Bulgarian Telecommunication C
3320 358 7067 304 Deutsche Telekom AG
3215 349 3144 111 France Telecom Transpac
3301 347 1411 303 TeliaNet Sweden
Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1582 2899 232 UniNet S.A. de C.V.
10620 1003 224 138 TVCABLE BOGOTA
28573 817 666 82 NET Servicos de Comunicao S.A
7303 663 350 94 Telecom Argentina Stet-France
22047 546 302 14 VTR PUNTO NET S.A.
11830 474 308 59 Instituto Costarricense de El
11172 445 99 70 Servicios Alestra S.A de C.V
14117 437 29 11 Telefonica del Sur S.A.
7738 431 858 29 Telecomunicacoes da Bahia S.A
3816 425 193 72 Empresa Nacional de Telecomun
Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1022 188 7 TEDATA
24863 751 130 46 LINKdotNET AS number
3741 273 857 233 The Internet Solution
6713 176 167 12 Itissalat Al-MAGHRIB
29975 134 506 15 Vodacom
29571 133 15 8 Ci Telecom Autonomous system
33776 124 7 11 Starcomms Nigeria Limited
5536 121 8 18 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd
20858 109 34 6 EgyNet
Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4239 3879 311 bellsouth.net, inc.
4323 3752 1069 399 Time Warner Telecom
1785 1779 714 136 PaeTec Communications, Inc.
4766 1768 7507 461 Korea Telecom (KIX)
7018 1590 5808 1035 AT&T WorldNet Services
8151 1582 2899 232 UniNet S.A. de C.V.
20115 1519 1482 667 Charter Communications
17488 1447 143 133 Hathway IP Over Cable Interne
2386 1296 632 932 AT&T Data Communications Serv
4755 1278 296 148 TATA Communications formerly
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3752 3353 Time Warner Telecom
1785 1779 1643 PaeTec Communications, Inc.
8151 1582 1350 UniNet S.A. de C.V.
17488 1447 1314 Hathway IP Over Cable Interne
4766 1768 1307 Korea Telecom (KIX)
4755 1278 1130 TATA Communications formerly
11492 1143 1129 Cable One
22773 1124 1058 Cox Communications, Inc.
18566 1059 1049 Covad Communications
8452 1022 1015 TEDATA
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
Complete listing at http://thyme.apnic.net/current/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:10 /10:25 /11:65 /12:177
/13:363 /14:646 /15:1230 /16:10758 /17:4983 /18:8568
/19:17617 /20:21420 /21:21362 /22:27591 /23:27430 /24:158996
/25:925 /26:1132 /27:577 /28:232 /29:11 /30:8
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2774 4239 bellsouth.net, inc.
4323 2367 3752 Time Warner Telecom
4766 1436 1768 Korea Telecom (KIX)
1785 1246 1779 PaeTec Communications, Inc.
17488 1220 1447 Hathway IP Over Cable Interne
11492 1065 1143 Cable One
18566 1040 1059 Covad Communications
7018 955 1590 AT&T WorldNet Services
8452 920 1022 TEDATA
10620 908 1003 TVCABLE BOGOTA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:14 8:237 12:2056 13:8 15:22
16:3 17:5 20:36 24:1271 32:49 34:2
38:625 40:99 41:1781 43:1 44:2 46:1
47:21 52:6 55:2 56:2 57:23 58:641
59:611 60:445 61:979 62:954 63:2006 64:3697
65:2366 66:4079 67:1765 68:1002 69:2821 70:629
71:156 72:1757 73:2 74:2014 75:188 76:356
77:848 78:575 79:402 80:944 81:815 82:475
83:442 84:524 85:1004 86:381 87:688 88:435
89:1508 90:63 91:2656 92:447 93:1152 94:1327
95:824 96:190 97:276 98:425 99:27 109:171
110:277 111:468 112:153 113:183 114:286 115:381
116:1086 117:593 118:366 119:803 120:140 121:703
122:1310 123:798 124:1056 125:1353 128:214 129:203
130:134 131:452 132:82 133:16 134:183 135:41
136:232 137:166 138:236 139:84 140:462 141:122
142:381 143:339 144:387 145:52 146:391 147:171
148:562 149:191 150:148 151:173 152:219 153:161
154:2 155:261 156:166 157:313 158:97 159:349
160:294 161:174 162:277 163:163 164:316 165:472
166:490 167:390 168:753 169:159 170:561 171:42
172:1 173:385 174:402 180:204 183:134 184:1
186:188 187:173 188:1357 189:648 190:3295 192:5721
193:4310 194:3361 195:2768 196:1126 198:3572 199:3377
200:5254 201:1409 202:7917 203:8279 204:3978 205:2151
206:2411 207:3044 208:3960 209:3392 210:2544 211:1153
212:1635 213:1618 214:223 215:56 216:4439 217:1360
218:474 219:418 220:1140 221:447 222:300
End of report